fs/dax.c: fix typo in #endif comment

Fix typo s/CONFIG_TRANSPARENT_HUGEPAGES/CONFIG_TRANSPARENT_HUGEPAGE/ in
#endif comment introduced by commit 2b26a9206d6a ("dax: add huge page
fault support").
Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/dax.c

@@ -644,7 +644,7 @@ int dax_pmd_fault(struct vm_area_struct *vma, unsigned long address,
 	return result;
 }
 EXPORT_SYMBOL_GPL(dax_pmd_fault);
-#endif /* CONFIG_TRANSPARENT_HUGEPAGES */
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
 
 /**
  * dax_pfn_mkwrite - handle first write to DAX page